/Engine/Source/Runtime/UMG/Public/Blueprint/UserWidget.h
Called when a touchpad force has changed (user pressed down harder or let up)
[FEventReply](API\Runtime\UMG\Components\FEventReply) OnTouchForceChanged ( [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) MyGeometry, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & InTouchEvent )